1 /*

     2  * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.  Oracle designates this

     8  * particular file as subject to the "Classpath" exception as provided

     9  * by Oracle in the LICENSE file that accompanied this code.

    10  *

    11  * This code is distributed in the hope that it will be useful, but WITHOUT

    12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    14  * version 2 for more details (a copy is included in the LICENSE file that

    15  * accompanied this code).

    16  *

    17  * You should have received a copy of the GNU General Public License version

    18  * 2 along with this work; if not, write to the Free Software Foundation,

    19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    20  *

    21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    22  * or visit www.oracle.com if you need additional information or have any

    23  * questions.

    24  */

    25 

    26 package jdk.jfr.api.metadata.eventtype;

    27 

    28 import java.util.Arrays;

    29 

    30 import jdk.jfr.Category;

    31 import jdk.jfr.Description;

    32 import jdk.jfr.Enabled;

    33 import jdk.jfr.Event;

    34 import jdk.jfr.EventType;

    35 import jdk.jfr.Label;

    36 import jdk.test.lib.Asserts;

    37 

    38 /*

    39  * @test

    40  * @summary Test getAnnotations()

    41  * @key jfr

    42  * @library /test/lib

    43  * @run main/othervm jdk.jfr.api.metadata.eventtype.TestGetAnnotation

    44  */

    45 public class TestGetAnnotation {

    46 

    47     public static void main(String[] args) throws Throwable {

    48         EventType type = EventType.getEventType(MyEvent.class);

    49 

    50         Label label = type.getAnnotation(Label.class);

    51         if (label == null) {

    52             Asserts.fail("Annotation label was null");

    53         }

    54         Asserts.assertEquals(label.value(), "myLabel", "Wrong value for annotation label");

    55 

    56         Category category = type.getAnnotation(Category.class);

    57         if (category == null) {

    58             Asserts.fail("Annotation @Description was null");

    59         }

    60 

    61         Asserts.assertTrue(Arrays.equals(category.value(), new String[] {"Stuff"}), "Wrong value for annotation enabled");

    62 

    63         Description description = type.getAnnotation(Description.class);

    64         if (description != null) {

    65             Asserts.fail("Annotation description should be null");

    66         }

    67 

    68         try {

    69             type.getAnnotation(null);

    70             Asserts.fail("No exception when getAnnotation(null)");

    71         } catch(Exception e) {

    72             // Expected exception

    73         }

    74     }

    75 

    76     @Label("myLabel")

    77     @Enabled(false)

    78     @Category("Stuff")

    79     private static class MyEvent extends Event {

    80     }

    81 }